/* HousingOS site — navy + gold, sibling of the ApplicationOS site (teal + gold) */
:root{
  --navy:#1c3667;
  --navy-deep:#142847;
  --navy-tint:#eef3fb;
  --blue:#3c78d8;
  --blue-link:#2a5db0;
  --gold:#f1c232;
  --gold-deep:#bf9000;
  --gold-text:#8a6d00;
  --teal:#0d9488;          /* ApplicationOS family accent */
  --teal-tint:#f0fdfa;
  --ink:#1f2937;
  --muted:#4b5563;
  --faint:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f8fafc;
  --line:#e5e7eb;
  --radius:12px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;
}
h1,h2,h3,.brand-name{font-family:"Comfortaa","Segoe UI",system-ui,sans-serif}
a{color:var(--blue-link)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
img{max-width:100%;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:99}
.skip:focus{left:0}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;padding:12px 0}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:52px;width:auto}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--muted);font-size:15.5px;font-weight:600;padding:4px 0;border-bottom:3px solid transparent}
.nav-links a:hover{color:var(--navy)}
.nav-links a.active{color:var(--navy);border-bottom-color:var(--gold)}
.btn{display:inline-block;text-decoration:none;font-weight:600;border-radius:9px;padding:11px 22px;font-size:16px;border:1px solid transparent;cursor:pointer}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep)}
.btn-gold{background:var(--gold);color:#3d2f00;border-color:#dcae1f}
.btn-gold:hover{background:#f5cd52}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-ghost:hover{background:var(--navy-tint)}
.nav .btn{padding:8px 16px;font-size:15px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--navy-tint) 0%,#ffffff 90%);border-bottom:1px solid var(--line)}
.hero .wrap{padding:64px 24px 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:38px;line-height:1.22;font-weight:700;color:var(--navy);margin-bottom:16px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--navy);background:#fff;border:1px solid #c3d4ef;border-radius:999px;padding:6px 16px;margin-bottom:18px}
.hero p.lead{font-size:18.5px;color:var(--muted);margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-art img{width:100%;height:auto}

/* ---------- sections ---------- */
section{padding:64px 0}
section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.kicker{color:var(--gold-text);font-weight:700;font-size:13.5px;letter-spacing:.12em;text-transform:uppercase}
h2{font-size:29px;font-weight:700;color:var(--navy);margin:8px 0 12px}
.sec-head p{color:var(--muted);font-size:17.5px}
.rule{width:56px;height:4px;border-radius:2px;background:var(--gold);margin:18px auto 0}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:17.5px;margin-bottom:8px;color:var(--navy)}
.card p{color:var(--muted);font-size:15.5px}

/* module tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:22px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-decoration:none;display:flex;flex-direction:column;transition:transform .12s ease,box-shadow .12s ease}
.tile:hover{transform:translateY(-3px);box-shadow:0 4px 10px rgba(15,23,42,.12),0 14px 32px rgba(15,23,42,.10)}
.tile .thumb{aspect-ratio:1/0.85;overflow:hidden;background:var(--navy-tint)}
.tile .thumb img{width:100%;height:100%;object-fit:cover}
.tile .label{padding:14px 16px;text-align:center;font-weight:700;color:var(--navy);font-size:15px;letter-spacing:.03em;text-transform:uppercase;border-top:3px solid var(--gold)}

/* module detail pages */
.mod-head{background:linear-gradient(180deg,var(--navy-tint) 0%,#ffffff 95%);border-bottom:1px solid var(--line)}
.mod-head .wrap{padding:48px 24px 40px}
.mod-head .wrap.with-photo{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:center}
.mod-photo img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:auto}
@media (max-width:820px){.mod-head .wrap.with-photo{grid-template-columns:1fr}.mod-photo{max-width:340px}}
.crumb{font-size:14.5px;margin-bottom:14px}
.crumb a{text-decoration:none}
.mod-head h1{font-size:34px;color:var(--navy);margin-bottom:10px}
.mod-head .tag{font-size:19px;font-weight:600;color:var(--gold-text);margin-bottom:12px}
.mod-head p.intro{font-size:17.5px;color:var(--muted);max-width:820px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;margin-top:8px}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;align-items:start}
.gallery a{display:block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.gallery img{width:100%;height:auto}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:48px;flex-wrap:wrap}
.pager a{max-width:48%}

/* chips list (document types etc.) */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.chip{font-size:14.5px;color:var(--navy);background:var(--navy-tint);border:1px solid #c3d4ef;border-radius:999px;padding:6px 14px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);padding:18px 22px;font-size:16.5px;list-style:none;position:relative;padding-right:48px}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--gold-deep);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 22px 18px;color:var(--muted)}

/* note box */
.note{background:var(--navy-tint);border-left:4px solid var(--gold);border-radius:8px;padding:18px 22px;color:var(--muted);font-size:15px}

/* video */
.video{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* companion band (ApplicationOS) */
.companion-band{background:var(--teal-tint);border:1px solid #b9e8e2;border-radius:16px;padding:40px;display:flex;gap:32px;align-items:center;flex-wrap:wrap}
.companion-band .kicker{color:var(--teal)}
.companion-band h2{color:#115e59}
.companion-band p{color:var(--muted);max-width:640px}

/* contact */
.contact-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;max-width:820px;margin:0 auto}
.contact-cards .card{text-align:center}
.contact-cards .big{font-size:20px;font-weight:700;color:var(--navy);margin-top:6px}
.form-frame{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;background:#fff;margin-top:36px}
.form-frame iframe{width:100%;height:900px;border:0}

/* footer */
footer.site{background:var(--navy);color:#c9d6ea;padding:42px 0;font-size:15px;margin-top:0}
footer.site a{color:#fff}
.foot{display:flex;gap:28px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.foot img{height:48px;width:auto;background:#fff;border-radius:8px;padding:6px 12px}
.foot nav{display:flex;gap:20px;flex-wrap:wrap}
.foot nav a{text-decoration:none}
.foot nav a:hover{text-decoration:underline}
.access{max-width:680px;font-size:13.5px;color:#9db3d4;margin-top:18px}
.copyright{margin-top:24px;border-top:1px solid #2a4a85;padding-top:16px;font-size:13.5px;color:#9db3d4}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding:44px 20px 40px}
  .hero-art{order:-1;max-width:420px;margin:0 auto}
}
@media (max-width:720px){
  h1{font-size:30px}
  h2{font-size:24px}
  .nav-links{gap:14px}
  .nav-links a{font-size:14px}
  section{padding:48px 0}
  .pager a{max-width:100%}
}